Finding the Fourth Proportional to 12,959.48, 19,435.63 and 5,562.30

Step by Step Solution

1. Step 1: Write the proportion equation
   12,959.48 : 19,435.63 = 5,562.30 : x
2. Step 2: Convert to fraction form
   12,959.48/19,435.63 = 5,562.30/x
3. Step 3: Cross multiply
   12,959.48x = 19,435.63 × 5,562.30
4. Step 4: Simplify right side
   12,959.48x = 108,106,804.75
5. Step 5: Solve for x
   x = 108,106,804.75/12,959.48
6. Step 6: Final answer
   x = 8,341.91